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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
| commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
| tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /layout/reftests/layers/pull-background-4.html | |
| parent | Initial commit. (diff) | |
| download | thunderbird-upstream.tar.xz thunderbird-upstream.zip | |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | layout/reftests/layers/pull-background-4.html | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/layout/reftests/layers/pull-background-4.html b/layout/reftests/layers/pull-background-4.html new file mode 100644 index 0000000000..6b2ff200fd --- /dev/null +++ b/layout/reftests/layers/pull-background-4.html @@ -0,0 +1,107 @@ +<!DOCTYPE html> +<html lang="en" class="reftest-wait"> +<meta charset="utf-8"> +<title>Scrollboxes with non-uniform backgrounds should prevent their contents from pulling background colors, even if those contents start out above uniform backgrounds</title> +<!-- + This is the same test as pull-background-3.html, but with an additional + wrapping opacity container layer. +--> + +<style> + +div { + min-height: 50px; + box-model: border-box; +} + +.first, .second { + border: 1px solid blue; + margin: 50px 0; +} + +.border { + border: 1px solid black; +} + +.underlap { + border: 1px solid #088; + margin-left: 120px; + width: 80px; + margin-bottom: -30px; +} + +.scrollable { + height: auto; + overflow: auto; +} + +.scrollarea { + width: 5000px; + border: none; + padding: 10px 0 20px; + height: auto; +} + +.scrolled { + margin-left: 220px; + width: 100px; + height: 100px; + border-color: red; +} + +body { + margin: 0; + padding: 0 100px; + height: 3000px; +} + +</style> + +<div class="first" reftest-assigned-layer="page-background"> + <!-- + This is just a regular box, it should end up in the page background layer. + --> +</div> + +<div class="underlap"> + <!-- + This item intersects with the scrollable box and is positioned below + .scrollable, in z-order. + --> +</div> + +<div class="opacity border"> + <div class="opacity scrollable"> + <div class="scrollarea"> + <div class="scrolled border reftest-no-paint"> + <!-- + This box starts out above solid white background, but it will move so + that it intersects .underlap, so it shouldn't pull up a background + color to begin with so that it doesn't need to invalidate. + --> + </div> + </div> + </div> +</div> + +<div class="second" reftest-assigned-layer="page-background"> + <!-- + This should share a layer with .first and the page background. + --> +</div> + +<script> + +var scrollable = document.querySelector(".scrollable"); + +function doTest() { + scrollable.scrollLeft = 100; + document.documentElement.removeAttribute("class"); +} + +// Make .scrollable start out with active scrolling. +scrollable.scrollLeft = 0; +scrollable.scrollLeft = 10; +document.addEventListener("MozReftestInvalidate", doTest); + +</script> |